Free Practice Questions for Competitive Exams, Interviews, Certifications

Q:

That which cannot be seen -

A) Invisible	B) Unseen
C) Intangible	D) All of the above

Answer & Explanation Answer: A) Invisible

Explanation:

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Filed Under: English
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Q:

Sponges are most accurately described as

A) marine predators	B) chemoautrophs
C) filter feeders	D) freshwater scavengers

Answer & Explanation Answer: C) filter feeders

Explanation:

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Filed Under: Biology
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Q:

Complete the number series?

11, 12.2, 14.6, 18.2, ?

A) 21.8	B) 23
C) 24.6	D) 25

Answer & Explanation Answer: B) 23

Explanation:

The given number series 11, 12.2, 14.6, 18.2, ?

11

11 + 1.2 = 12.2

12.2 + 2.4 = 14.6

14.6 + 3.6 = 18.2

18.2 + 4.8 = 23

Hence, the next number in the given number series is 23.

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Filed Under: Number Series - Verbal Reasoning - Mental Ability
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Q:

Find the odd man out from the given series?

8, 18, 56, 232, 1165

A) 18	B) 56
C) 232	D) 1165

Answer & Explanation Answer: B) 56

Explanation:

The given number series 8, 18, 56, 232, 1165

8

8 x 2 + 2 = 18

18 x 3 + 3 = 57 (not 56)

57 x 4 + 4 = 232

232 x 5 + 5 = 1165

Hence, the odd man in the given series is 56.

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Filed Under: Odd Man Out - Quantitative Aptitude - Arithmetic Ability
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Q:

Most organic compounds contain carbon and

A) Hydrogen	B) Nitrogen
C) Potassium	D) All of the above

Answer & Explanation Answer: A) Hydrogen

Explanation:

Most organic compounds contain carbon and hydrogen.

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Filed Under: General Science
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Q:

Forces of attraction limit the motion of particles most in solids.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

We know that, solids have definite shapes and definite volumes, whereas liquids have definite volumes but indefinite shapes and coming to gases it has indefinite volumes and indefinite shapes.

Hence, only in solids, the forces of attraction limit the motion of particles.

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Subject: Physics
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Q:

What unit is used to measure weighted average atomic mass?

A) amu	B) gram/mole
C) Both A & B	D) 1/mole

Answer & Explanation Answer: C) Both A & B

Explanation:

The unit which is used to measure weighted average atomic mass is Atomic Mass Unit (amu).

The amu or gram/mole can also be used for this measure.

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Filed Under: Chemistry
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Q:

To resolve an object in an electron microscope,

A) the wavelength of the electrons must be close to the diameter of the object	B) the wavelength of the electrons must be greater than the diameter of the object.
C) Both A & B	D) None of the above

Answer & Explanation Answer: A) the wavelength of the electrons must be close to the diameter of the object

Explanation:

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